diff options
Diffstat (limited to 'bsps/aarch64/xilinx-versal/include')
5 files changed, 73 insertions, 2 deletions
diff --git a/bsps/aarch64/xilinx-versal/include/bsp.h b/bsps/aarch64/xilinx-versal/include/bsp.h index 0bd93f28bc..5b01637786 100644 --- a/bsps/aarch64/xilinx-versal/include/bsp.h +++ b/bsps/aarch64/xilinx-versal/include/bsp.h @@ -79,6 +79,10 @@ BSP_START_TEXT_SECTION void versal_setup_mmu_and_cache(void); void versal_debug_console_flush(void); +uint32_t versal_clock_i2c0(void); + +uint32_t versal_clock_i2c1(void); + #ifdef __cplusplus } #endif /* __cplusplus */ diff --git a/bsps/aarch64/xilinx-versal/include/bsp/i2c.h b/bsps/aarch64/xilinx-versal/include/bsp/i2c.h new file mode 100644 index 0000000000..116f8dd0cb --- /dev/null +++ b/bsps/aarch64/xilinx-versal/include/bsp/i2c.h @@ -0,0 +1,64 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (C) 2022 Chris Johns <chris@contemporary.software> + * Copyright (C) 2014 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef LIBBSP_ARM_XILINX_VERSAL_I2C_H +#define LIBBSP_ARM_XILINX_VERSAL_I2C_H + +#include <dev/i2c/cadence-i2c.h> +#include <bsp/irq.h> +#include <bsp.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +static inline int versal_register_i2c_0(void) +{ + return i2c_bus_register_cadence( + "/dev/i2c-0", + 0x00FF020000, + versal_clock_i2c0(), + VERSAL_IRQ_I2C_0 + ); +} + +static inline int versal_register_i2c_1(void) +{ + return i2c_bus_register_cadence( + "/dev/i2c-1", + 0x00FF030000, + versal_clock_i2c1(), + VERSAL_IRQ_I2C_1 + ); +} + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_ARM_XILINX_VERSAL_I2C_H */ diff --git a/bsps/aarch64/xilinx-versal/include/bsp/irq.h b/bsps/aarch64/xilinx-versal/include/bsp/irq.h index c5f199a9ae..b34bdfd345 100644 --- a/bsps/aarch64/xilinx-versal/include/bsp/irq.h +++ b/bsps/aarch64/xilinx-versal/include/bsp/irq.h @@ -53,6 +53,8 @@ extern "C" { #define BSP_TIMER_VIRT_PPI 27 #define BSP_TIMER_PHYS_S_PPI 29 #define BSP_TIMER_PHYS_NS_PPI 30 +#define VERSAL_IRQ_I2C_0 46 +#define VERSAL_IRQ_I2C_1 47 #define VERSAL_IRQ_UART_0 50 #define VERSAL_IRQ_UART_1 51 #define VERSAL_IRQ_ETHERNET_0 88 diff --git a/bsps/aarch64/xilinx-versal/include/dev/serial/versal-uart-regs.h b/bsps/aarch64/xilinx-versal/include/dev/serial/versal-uart-regs.h index 59db8f950a..30f918bc60 100644 --- a/bsps/aarch64/xilinx-versal/include/dev/serial/versal-uart-regs.h +++ b/bsps/aarch64/xilinx-versal/include/dev/serial/versal-uart-regs.h @@ -110,7 +110,6 @@ typedef struct versal_uart { #define VERSAL_UARTCR_RXE BSP_BIT32(9) #define VERSAL_UARTCR_TXE BSP_BIT32(8) #define VERSAL_UARTCR_LBE BSP_BIT32(7) -//#define VERSAL_UARTCR_SIREN BSP_BIT32()? #define VERSAL_UARTCR_UARTEN BSP_BIT32(0) uint32_t uartifls; #define VERSAL_UARTIFLS_RXIFLSEL(val) BSP_FLD32(val, 3, 5) diff --git a/bsps/aarch64/xilinx-versal/include/dev/serial/versal-uart.h b/bsps/aarch64/xilinx-versal/include/dev/serial/versal-uart.h index 95b5172218..cc6b60b77c 100644 --- a/bsps/aarch64/xilinx-versal/include/dev/serial/versal-uart.h +++ b/bsps/aarch64/xilinx-versal/include/dev/serial/versal-uart.h @@ -54,7 +54,9 @@ extern "C" { typedef struct { rtems_termios_device_context base; volatile struct versal_uart *regs; - bool transmitting; /* Currently unused */ + volatile size_t tx_queued; + volatile bool transmitting; + bool first_send; rtems_vector_number irq; } versal_uart_context; |